OSI model interview questions

How many layers does the OSI model have

The OSI layer has 7 models

Which layer in the OSI model is used by browsers

The browser is an application. It uses the Application layer in the OSI model

Which layer in the OSI model is used by network cards

The physical layer, which is the 1st layer is used by network cards

Name one protocol which is used in the presentation layer

JPEG, BMP which are typically file formats are used in the presentation layer.

What is the main difference between the TCP/IP model and OSI model

The TCP/IP model has 4 layers and OSI model has 7 layers

At which layer of the OSI model does routers work

Routers work at the network layer of the OSI model.

At which layer of the OSI model does switches and hubs work

Switches work at the data link layer and hubs on the physical layer.

Name two protocols which work in the transport layer of the OSI model

TCP and UDP

Name 3 protocols which work at the application layer

DHCP, FTP and DNS.

At which layer does sockets work

Session

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